WO2012105040A1 - Véhicule et appareil d'alimentation externe - Google Patents

Véhicule et appareil d'alimentation externe Download PDF

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Publication number
WO2012105040A1
WO2012105040A1 PCT/JP2011/052368 JP2011052368W WO2012105040A1 WO 2012105040 A1 WO2012105040 A1 WO 2012105040A1 JP 2011052368 W JP2011052368 W JP 2011052368W WO 2012105040 A1 WO2012105040 A1 WO 2012105040A1
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WO
WIPO (PCT)
Prior art keywords
vehicle
exhaust pipe
resonant coil
floor panel
coil
Prior art date
Application number
PCT/JP2011/052368
Other languages
English (en)
Japanese (ja)
Inventor
達 中村
真士 市川
Original Assignee
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP2012555662A priority Critical patent/JP5776703B2/ja
Priority to PCT/JP2011/052368 priority patent/WO2012105040A1/fr
Priority to US13/979,259 priority patent/US9296349B2/en
Priority to EP11857486.2A priority patent/EP2671749B1/fr
Priority to CN201180066812.0A priority patent/CN103347730B/zh
Publication of WO2012105040A1 publication Critical patent/WO2012105040A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/12—Inductive energy transfer
    • B60L53/122—Circuits or methods for driving the primary coil, e.g. supplying electric power to the coil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
    • B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
    • B60M7/00—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway
    • B60M7/003—Power lines or rails specially adapted for electrically-propelled vehicles of special types, e.g. suspension tramway, ropeway, underground railway for vehicles using stored power (e.g. charging stations)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/36—Electric or magnetic shields or screens
    • H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/30—AC to DC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

Definitions

  • the present invention relates to a vehicle and an external power feeding device.
  • an electric vehicle described in Japanese Patent Application Laid-Open No. 2009-106136 includes a secondary self-resonant coil, a capacitor connected to the secondary self-resonant coil, and a secondary coupled to the secondary self-resonant coil by electromagnetic induction.
  • a coil and a power storage device are provided.
  • a power supply facility described in Japanese Patent Application Laid-Open No. 2009-106136 includes a high-frequency power driver connected to an AC power source, a primary coil connected to the high-frequency power driver, a primary self-resonant coil, and a primary self-resonant coil Capacitor.
  • the vehicle described in Japanese Patent Application Laid-Open No. 2010-87353 includes a non-contact power transmission device that receives power from equipment provided outside.
  • a secondary self-resonant coil that receives power via an electromagnetic field with a primary self-resonant coil arranged oppositely and a secondary self-resonant coil along an inner peripheral surface are held. Bobbins.
  • a technique for performing non-contact power transmission by electromagnetically resonance coupling a primary self-resonant coil and a secondary self-resonant coil is a technique that has attracted attention in recent years.
  • the present invention has been made in view of the problems as described above, and an object of the present invention is to provide a vehicle capable of receiving electric power from facilities outside the vehicle using electromagnetic resonance coupling. This is to prevent a high-intensity magnetic field from leaking around.
  • a second object of the present invention is a vehicle capable of suppressing leakage of a high-intensity magnetic field around the vehicle when power is transmitted by electromagnetic resonance coupling with a vehicle-side self-resonant coil provided in the vehicle.
  • An external power supply device is provided.
  • the vehicle according to the present invention is a vehicle including a coil unit that can receive power with a facility-side self-resonant coil provided outside the vehicle.
  • This vehicle is provided so as to be arranged in the width direction of the vehicle, and receives electromagnetic power from the equipment-side self-resonant coil by electromagnetic resonance coupling with a pair of side members extending in the front-rear direction of the vehicle and the equipment-side self-resonant coil.
  • a vehicle-side self-resonant coil, and a vehicle-side capacitor provided between the pair of side members.
  • the vehicle-side capacitor is disposed between a side surface of the vehicle and an imaginary line extending in the front-rear direction of the vehicle through the center in the width direction of the vehicle, and the vehicle-side capacitor is more imaginary than the side surface of the vehicle. It is arranged at a position close to.
  • the vehicle is formed on the floor panel provided on the side member and on the floor panel so as to extend in the front-rear direction of the vehicle through the center in the width direction of the vehicle, and is formed so as to bulge upward.
  • a shield material provided on the inner peripheral surface of the center tunnel and the lower surface of the floor panel.
  • the vehicle-side capacitor is disposed below the floor panel and in the center tunnel or around the opening of the center tunnel.
  • the vehicle further includes a floor panel provided on the side member.
  • the vehicle-side self-resonant coil is disposed below the floor panel, and the floor panel and the vehicle-side self-resonant coil are disposed at an interval.
  • the vehicle is located at a center portion of the floor panel in the width direction of the vehicle, extends in the front-rear direction of the vehicle, and is formed so as to bulge upward, and at least a part of the vehicle in the center tunnel.
  • an exhaust pipe that is disposed so as to enter and extends in the front-rear direction of the vehicle.
  • the vehicle-side self-resonant coil is provided with a first arc portion provided so as to be arranged in a horizontal direction with the exhaust pipe, and provided with a first arc portion provided with the exhaust pipe in a horizontal direction.
  • a second arc portion disposed on the opposite side and a connection portion that passes through the exhaust pipe and connects the first arc portion and the second arc portion are included.
  • the vertical distance between the connection portion and the exhaust pipe is larger than the vertical distance between the connection portion and the center tunnel.
  • the vehicle is located at a center portion of the floor panel in the width direction of the vehicle, extends in the front-rear direction of the vehicle, and is formed so as to bulge upward, and at least a part of the vehicle in the center tunnel.
  • an exhaust pipe that is disposed so as to enter and extends in the front-rear direction of the vehicle.
  • the vehicle-side self-resonant coil is provided with a first arc portion provided so as to be arranged in a horizontal direction with the exhaust pipe, and provided with a first arc portion provided with the exhaust pipe in a horizontal direction.
  • a second arc portion disposed on the opposite side and a connection portion that passes through the lower part of the exhaust pipe and connects the first arc portion and the second arc portion are included.
  • the vertical distance between the connection portion and the exhaust pipe is larger than the vertical distance between the exhaust pipe and the center tunnel.
  • the vehicle further includes a battery and an electromagnetic induction coil that is electrically connected to the battery and can receive power from the vehicle-side self-resonant coil by electromagnetic induction.
  • the electromagnetic induction coil and the vehicle-side self-resonant coil are provided so as to be arranged in the horizontal direction.
  • the vehicle further includes a floor panel provided on the side member and an exhaust pipe disposed below the floor panel and extending in the front-rear direction of the vehicle.
  • the vehicle-side self-resonant coil is provided with a first arc portion provided so as to be arranged in a horizontal direction with the exhaust pipe, and provided with a first arc portion provided with the exhaust pipe in a horizontal direction.
  • a second arc portion disposed on the opposite side and a first connection portion that passes over the exhaust pipe and connects the first arc portion and the second arc portion are included.
  • the electromagnetic induction coil is provided so as to be arranged in a horizontal direction with the exhaust pipe, and is provided so as to be arranged in a horizontal direction with the exhaust pipe, and is opposite to the third arc part with respect to the exhaust pipe. And a second arc connecting the third arc and the fourth arc through the upper part of the exhaust pipe.
  • the vehicle further includes a floor panel provided on the side member and an exhaust pipe disposed below the floor panel and extending in the front-rear direction of the vehicle.
  • the vehicle-side self-resonant coil is provided with a first arc portion provided so as to be arranged in a horizontal direction with the exhaust pipe, and provided with a first arc portion provided with the exhaust pipe in a horizontal direction.
  • a second arc portion disposed on the opposite side and a first connection portion that passes under the exhaust pipe and connects the first arc portion and the second arc portion are included.
  • the electromagnetic induction coil is provided so as to be arranged in a horizontal direction with the exhaust pipe, and is provided so as to be arranged in a horizontal direction with the exhaust pipe, and is opposite to the third arc part with respect to the exhaust pipe. And a second arc connecting the third arc and the fourth arc through the lower part of the exhaust pipe.
  • the vehicle includes a floor panel provided on the side member, an exhaust pipe disposed below the floor panel and extending in the front-rear direction of the vehicle, and a first fixing member that fixes the vehicle-side capacitor to the floor panel.
  • the exhaust pipe is further fixed to the floor panel, and further provided with a second fixing member provided separately from the first fixing member.
  • the vehicle further includes a floor panel provided on the side member and an exhaust pipe disposed below the floor panel and extending in the front-rear direction of the vehicle.
  • the exhaust pipe includes a pipe part main body and a pipe part shielding material provided so as to cover a portion of the pipe part main body located below the coil unit.
  • the vehicle further includes a floor panel provided on the id member, and a shield material provided between the vehicle-side self-resonant coil and the floor panel.
  • An external power feeding device includes a pair of side members arranged at intervals, a floor panel provided on the pair of side members, a vehicle-side self-resonant coil, a lower side of the floor panel, and a side panel It is an external power feeding device provided in a stop space where a vehicle including a vehicle-side capacitor connected between the members and connected to the vehicle-side self-resonant coil is stopped.
  • a vehicle including a vehicle-side capacitor connected between the members and connected to the vehicle-side self-resonant coil is stopped.
  • an equipment-side self-resonant coil capable of transmitting electric power to the vehicle-side self-resonant coil by electromagnetic resonance coupling with the vehicle-side self-resonant coil, and an equipment-side capacitor connected to the equipment-side self-resonant coil.
  • the facility-side capacitor is positioned below the side members when the vehicle stops in the stop space.
  • the vehicle-side self-resonant coil is provided so as to be arranged in a horizontal direction with a first arc portion provided so as to be arranged in a horizontal direction with an exhaust pipe located below the floor panel, A second arc portion disposed on the opposite side of the first arc portion with respect to the exhaust pipe, and a connecting portion straddling the exhaust pipe and connecting the first arc portion and the second arc portion are included.
  • the facility-side self-resonant coil is a planar coil.
  • the diameter of the vehicle-side self-resonant coil and the diameter of the equipment-side self-resonant coil are substantially matched, and the capacity of the equipment-side capacitor is larger than the capacity of the vehicle-side capacitor.
  • the vehicle of the present invention it is possible to suppress leakage of a strong magnetic field around the vehicle when the power is received from the outside of the vehicle in a contactless manner.
  • the external power supply device it is possible to suppress leakage of a strong magnetic field around the vehicle when performing non-contact power transmission to the vehicle.
  • FIG. 2 is a schematic diagram schematically showing electrically powered vehicle 100 according to Embodiment 1 and external power supply apparatus 200 that supplies power to electrically powered vehicle 100.
  • FIG. It is a schematic diagram for demonstrating the principle of power transmission and power reception by a resonance method. It is the figure which showed the relationship between the distance from an electric current source (magnetic current source), and the intensity
  • FIG. It is the perspective view which looked at the electric vehicle 100 from the lower surface side. 2 is a bottom view of electric vehicle 100.
  • FIG. It is a perspective view which shows the floor panel 11, the center tunnel 12, the exhaust pipe 20, etc.
  • FIG. 2 is a cross-sectional view of a vehicle side coil unit 101 and an equipment side coil unit 201.
  • FIG. It is a figure which shows typically the intensity distribution of the magnetic field when the electric power is delivered between the vehicle side coil unit 101 and the equipment side coil unit 201.
  • 1 is a perspective view showing a vehicle-side self-resonant coil 110, a vehicle-side electromagnetic induction coil 120, and a vehicle-side capacitor 111.
  • FIG. 2 is a perspective view showing an equipment-side coil unit 201.
  • FIG. 3 is a perspective view showing an equipment-side electromagnetic induction coil 230, equipment-side self-resonant coil 240, and equipment-side capacitor 250.
  • FIG. 1 is a perspective view showing a vehicle-side self-resonant coil 110, a vehicle-side electromagnetic induction coil 120, and a vehicle-side capacitor 111.
  • FIG. 2 is a perspective view showing an equipment-side coil unit 201.
  • FIG. 3 is a perspective view showing an equipment-side electromagnetic
  • FIG. 6 is a perspective view showing a modified example of the vehicle-side self-resonant coil 110.
  • FIG. 1 is a schematic diagram schematically showing an electric vehicle 100 according to the first embodiment and an external power supply apparatus 200 that supplies electric power to the electric vehicle 100.
  • the electric vehicle 100 stops at a predetermined position of the parking space 202 in which the external power feeding device 200 is provided, and mainly receives power from the external power feeding device 200. Electric vehicle 100 can also supply power to external power supply apparatus 200.
  • the parking space 202 is provided with a stop and a line so that the electric vehicle 100 stops at a predetermined position.
  • the external power supply apparatus 200 includes a high frequency power driver 220 connected to an AC power source 210 and a facility side coil unit 201 connected to the high frequency power driver 220.
  • the facility-side coil unit 201 mainly functions as a non-contact power transmission device, and the facility-side coil unit 201 includes a facility-side self-resonant coil 240, a facility-side capacitor 250 connected to the facility-side self-resonant coil 240, The equipment side self-resonant coil 240 and the equipment side electromagnetic induction coil 230 electrically connected are included.
  • AC power supply 210 is a power supply external to the vehicle, for example, a system power supply.
  • the high frequency power driver 220 converts power received from the AC power source 210 into high frequency power, and supplies the converted high frequency power to the facility-side electromagnetic induction coil 230.
  • the frequency of the high frequency power generated by the high frequency power driver 220 is, for example, 1 M to several tens of MHz.
  • the facility-side electromagnetic induction coil 230 is supplied with the above high-frequency power, so that the amount of magnetic flux generated from the facility-side electromagnetic induction coil 230 changes over time.
  • the equipment-side self-resonant coil 240 is electromagnetically coupled to the equipment-side electromagnetic induction coil 230.
  • the equipment-side self-resonant coil 240 also has high frequency. Current flows.
  • the frequency of the high-frequency current flowing in the equipment-side self-resonant coil 240, and the resonance frequency determined by the reluctance of the equipment-side electromagnetic induction coil 230 and the capacitance C of the equipment-side capacitor 250 connected to the equipment-side electromagnetic induction coil 230 are obtained.
  • a current is supplied to the facility-side electromagnetic induction coil 230 so as to substantially match.
  • the equipment-side self-resonant coil 240 and the equipment-side capacitor 250 function as an LC resonator.
  • an electric field and a magnetic field having substantially the same frequency as the resonance frequency are formed around the equipment-side self-resonant coil 240.
  • an electromagnetic field (electromagnetic field) having a predetermined frequency is formed around the equipment-side self-resonant coil 240.
  • the electric vehicle 100 includes an LC resonator having the same resonance frequency as the LC resonator formed by the equipment-side self-resonant coil 240 and the equipment-side capacitor 250, and the LC resonator and the equipment-side self-resonant coil. 240 and the LC resonator formed by the facility-side capacitor 250 are electromagnetically resonantly coupled, whereby electric power is transmitted from the external power supply apparatus 200 to the electric vehicle 100.
  • the electric vehicle 100 and the external power supply apparatus 200 mainly use a near field (evanescent field) among the electromagnetic fields formed by the equipment-side self-resonant coil 240 and the equipment-side capacitor 250, and the external power supply apparatus 200 side. Power is supplied to the electric vehicle 100.
  • a near field evanescent field
  • the details of the wireless power transmission / reception method using the electromagnetic resonance method will be described later.
  • the electric vehicle 100 includes a vehicle side coil unit 101 mainly functioning as a non-contact power receiving device, a rectifier 130 connected to the vehicle side coil unit 101, a DC / DC converter 140 connected to the rectifier 130, and the DC Battery 150 connected to DC / DC converter 140, power control unit (PCU (Power Control Unit)) 160, motor unit 170 connected to power control unit 160, DC / DC converter 140 and power control unit 160 And a vehicle ECU (Electronic Control Unit) 180 that controls driving of the vehicle.
  • PCU Power Control Unit
  • the electric vehicle 100 is a hybrid vehicle including an engine (not shown), but includes an electric vehicle and a fuel cell vehicle as long as the vehicle is driven by a motor.
  • the vehicle-side coil unit 101 includes a vehicle-side self-resonant coil 110, a vehicle-side capacitor 111 connected to the vehicle-side self-resonant coil 110, and a vehicle-side electromagnetic induction coil 120 that is coupled to the vehicle-side self-resonant coil 110 by electromagnetic induction. Including. The detailed configuration of the vehicle side coil unit 101 will be described later.
  • the vehicle-side self-resonant coil 110 and the vehicle-side capacitor 111 constitute an LC resonator, the resonance frequency of the LC resonator formed by the vehicle-side self-resonant coil 110 and the vehicle-side capacitor 111, and the equipment-side self-resonant coil.
  • the resonance frequency of the LC resonator formed by 240 and the equipment-side capacitor 250 substantially matches.
  • the vehicle-side self-resonant coil 110 When the vehicle-side self-resonant coil 110 is disposed within a range of, for example, about several meters from the equipment-side self-resonant coil 240, LC resonance formed by the vehicle-side self-resonant coil 110 and the vehicle-side capacitor 111 is achieved. The device resonates and a current flows through the vehicle-side self-resonant coil 110. Thus, the vehicle-side self-resonant coil 110 and the facility-side self-resonant coil 240 are electromagnetically resonantly coupled.
  • the vehicle-side electromagnetic induction coil 120 is electromagnetically coupled to the vehicle-side self-resonant coil 110, and takes out the electric power received by the vehicle-side self-resonant coil 110.
  • the vehicle-side electromagnetic induction coil 120 sequentially extracts power from the vehicle-side self-resonant coil 110, so that power is sequentially supplied from the equipment-side self-resonant coil 240 to the vehicle-side self-resonant coil 110 via the electromagnetic field.
  • the vehicle-side coil unit 101 and the facility-side coil unit 201 employ a so-called electromagnetic resonance wireless transmission / reception system.
  • the rectifier 130 is connected to the vehicle-side electromagnetic induction coil 120, converts an alternating current supplied from the vehicle-side electromagnetic induction coil 120 into a direct current, and supplies the direct current to the DC / DC converter 140.
  • the DC / DC converter 140 adjusts the voltage of the direct current supplied from the rectifier 130 and supplies it to the battery 150.
  • the power control unit 160 includes a converter connected to the battery 150 and an inverter connected to the converter, and the converter adjusts (boosts) the direct current supplied from the battery 150 and supplies it to the inverter.
  • the inverter converts the direct current supplied from the converter into an alternating current and supplies it to the motor unit 170.
  • the motor unit 170 employs, for example, a three-phase AC motor and is driven by an AC current supplied from an inverter of the power control unit 160.
  • the DC / DC converter 140 When supplying the electric power stored in the battery 150 to the AC power supply 210, for example, the DC / DC converter 140 boosts the current from the battery 150 and supplies it to the rectifier 130.
  • the rectifier 130 converts the direct current from the DC / DC converter 140 into a high frequency current.
  • the frequency of the high-frequency current is the resonance frequency described above.
  • the rectifier 130 supplies this high-frequency current to the vehicle-side electromagnetic induction coil 120.
  • the vehicle-side self-resonant coil 110 receives a high-frequency current from the vehicle-side electromagnetic induction coil 120 by electromagnetic induction.
  • the frequency of the high-frequency current substantially matches the resonance frequency, and the LC resonator formed by the vehicle-side self-resonant coil 110 and the vehicle-side capacitor 111 resonates.
  • An electromagnetic field (electromagnetic field) having a frequency equal to the resonance frequency is formed around the vehicle-side self-resonant coil 110.
  • the electric power supplied to the equipment-side self-resonant coil 240 is drawn out to the equipment-side electromagnetic induction coil 230 by electromagnetic induction.
  • the electric power drawn out to the facility-side self-resonant coil 240 is supplied to the AC power supply 210 through the high-frequency power driver 220.
  • electric vehicle 100 When electric vehicle 100 is a hybrid vehicle, electric vehicle 100 further includes an engine and a power split mechanism, and motor unit 170 mainly functions as a motor generator that functions mainly as a generator and an electric motor. Including a motor generator.
  • the vehicle side coil unit 101 and the facility side coil unit 201 are a wireless power transmission / reception method, and a resonance method using an electromagnetic field is employed.
  • FIG. 2 is a schematic diagram for explaining the principle of power transmission and power reception by the resonance method. The principle of power transmission and power reception by the resonance method will be described with reference to FIG.
  • two LC resonance coils having the same natural frequency resonate in an electromagnetic field (near field), and thereby, from one coil. Electric power is transmitted to the other coil via an electromagnetic field.
  • the primary coil 320 is connected to the high-frequency power source 310, and high-frequency power of 1M to several tens of MHz is supplied to the primary self-resonant coil 330 that is magnetically coupled to the primary coil 320 by electromagnetic induction.
  • the primary self-resonant coil 330 is an LC resonator based on the inductance of the coil itself and stray capacitance (including the capacitance of the capacitor when a capacitor is connected to the coil), and has the same resonance frequency as that of the primary self-resonant coil 330. Resonates with the secondary self-resonant coil 340 having an electromagnetic field (near field).
  • FIG. 2 shows the correspondence relationship between the configuration of FIG. 2 and the configuration of FIG. 1, the AC power supply 210 and the high-frequency power driver 220 shown in FIG. 1 correspond to the high-frequency power supply 310 of FIG.
  • the facility-side electromagnetic induction coil 230 shown in FIG. 1 corresponds to the primary coil 320 of FIG.
  • the equipment-side self-resonant coil 240 and the equipment-side capacitor 250 shown in FIG. 1 correspond to the stray capacitance of the primary self-resonant coil 330 and the primary self-resonant coil 330 in FIG.
  • the vehicle-side electromagnetic induction coil 120 shown in FIG. 1 corresponds to the secondary coil 350 of FIG.
  • the rectifier 130, the DC / DC converter 140, and the battery 150 shown in FIG. 1 correspond to the load 360 shown in FIG.
  • the wireless power transmission / reception method uses a near field (evanescent field) in which the “electrostatic field” of the electromagnetic field is dominant to improve power transmission and power reception efficiency. .
  • FIG. 3 is a diagram showing the relationship between the distance from the current source (magnetic current source) and the strength of the electromagnetic field.
  • the electromagnetic field is composed of three components.
  • a curve k1 is a component inversely proportional to the distance from the wave source, and is referred to as a “radiating electric field”.
  • a curve k2 is a component inversely proportional to the square of the distance from the wave source, and is referred to as an “induced electric field”.
  • the curve k3 is a component that is inversely proportional to the cube of the distance from the wave source, and is referred to as an “electrostatic field”.
  • the “electrostatic field” is a region where the intensity of the electromagnetic wave suddenly decreases with the distance from the wave source.
  • energy electric power
  • the near field evanescent field
  • Is transmitted That is, by resonating a pair of resonators having the same natural frequency (for example, a pair of LC resonance coils) in a near field where the “electrostatic field” is dominant, the resonance from one resonator (primary self-resonance coil) to the other Energy (electric power) is transmitted to the resonator (secondary self-resonant coil). Since this “electrostatic field” does not propagate energy far away, the resonance method can transmit power with less energy loss than electromagnetic waves that transmit energy (electric power) by “radiant electric field” that propagates energy far away. it can.
  • the electric vehicle 100 and the external power supply apparatus 200 use the resonance of the near field of the electromagnetic field, and the vehicle-side coil unit 101 of the electric vehicle 100 and the external power supply apparatus 200. Electric power is transmitted to and received from the facility-side coil unit 201.
  • the inventors of the present application have found that a particularly strong magnetic field is formed from the vehicle-side capacitor 111 and the equipment-side capacitor 250 constituting part of the resonator in the process of receiving and transmitting power. Therefore, the present invention aims to suppress leakage of a strong magnetic field around the electric vehicle 100 during power reception and power transmission, and a specific configuration thereof will be described below.
  • FIG. 4 is a side view showing the electric vehicle 100, the facility-side coil unit 201, and the like according to the first embodiment.
  • electric vehicle 100 is stopped at a predetermined position in parking space 202.
  • the vehicle-side coil unit 101 is disposed on the bottom surface of the electric vehicle 100 and at the center in the longitudinal direction of the electric vehicle 100. Specifically, the vehicle-side coil unit 101 is provided at a position closer to the central portion in the longitudinal direction of the electric vehicle 100 than the front end portion and the rear end portion of the electric vehicle 100.
  • the facility-side coil unit 201 is provided in the parking space 202 so as to face the vehicle-side coil unit 101 when the electric vehicle 100 stops at a predetermined position of the parking space 202.
  • the equipment side coil unit 201 may be arrange
  • FIG. 5 is a perspective view of the electric vehicle 100 as viewed from the lower surface side
  • FIG. 6 is a bottom view of the electric vehicle 100.
  • electrically powered vehicle 100 includes a pair of side members 10 ⁇ / b> A and 10 ⁇ / b> B disposed on the bottom surface of electrically powered vehicle 100 at an interval in the width direction of electrically powered vehicle 100, and side members 10 ⁇ / b> A,
  • the vehicle side coil unit 101 is a lower surface of the floor panel 11 between the side members 10A and 10B.
  • the floor panel 11 is disposed on the lower surface of the floor panel 11, and the exhaust pipe 20 is disposed on the lower surface of the floor panel 11. Has been placed.
  • the side members 10 ⁇ / b> A and 10 ⁇ / b> B constitute a part of the vehicle frame, and are arranged in the vicinity of the side portion on the bottom surface of the electric vehicle 100.
  • the side members 10A and 10B extend in the front-rear direction of the vehicle.
  • the floor panel 11 is a partition wall that divides the inside of the vehicle and the outside of the vehicle, and the floor panel 11 is fixed on the side members 10A and 10B.
  • a center tunnel 12 extending in the front-rear direction of the electric vehicle 100 is formed in the center of the floor panel 11 in the width direction of the electric vehicle 100.
  • the exhaust pipe 20 is disposed below the center tunnel 12 so that a part of the upper end portion of the exhaust pipe 20 enters the center tunnel 12.
  • the exhaust pipe 20 is formed to extend in the front-rear direction of the electric vehicle 100, one end of the exhaust pipe 20 is connected to the engine of the electric vehicle 100, and the other end is connected to a muffler.
  • the engine is arranged in an engine compartment formed on the front side of the vehicle, and the muffler is connected to the rear end of the vehicle.
  • the vehicle side coil unit 101 is disposed between the exhaust pipe 20 and the floor panel 11.
  • FIG. 7 is a perspective view showing the floor panel 11, the center tunnel 12, the exhaust pipe 20, and the like. As shown in FIG. 7, the center tunnel 12 is formed so as to bulge upward.
  • the exhaust pipe 20 is disposed below the center tunnel 12 with a space therebetween and is fixed to the floor panel 11 by a support portion 21.
  • FIG. 8 is a perspective view of the vehicle-side coil unit 101 shown in FIGS. 5 and 6, and FIG. 9 is a cross-sectional view of the vehicle-side coil unit 101 and the equipment-side coil unit 201.
  • the exhaust pipe 20 includes a pipe main body 22 and a shield member 23 provided on the peripheral surface of the pipe main body 22.
  • the tube body 22 is made of a metal material such as iron.
  • the shield material 23 is made of a metal material that has a smaller eddy current loss and a steric loss than the metal material constituting the tube body 22, and is made of a metal material such as copper or aluminum. As shown in FIGS. 5 and 6, the shield member 23 is formed in a portion of the exhaust pipe 20 located below the vehicle-side coil unit 101 and a portion adjacent to the portion.
  • the vehicle side coil unit 101 is disposed below the floor panel 11 and between the side members 10A and 10B. Furthermore, the vehicle side coil unit 101 is disposed between the floor panel 11 and the exhaust pipe 20.
  • the vehicle-side coil unit 101 includes a resin case 102, a shield material 103 attached to the inner peripheral surface of the resin case 102, a vehicle-side self-resonant coil 110 housed in the shield material 103, a vehicle-side capacitor 111, , A vehicle-side electromagnetic induction coil 120, a support member 104 that supports the vehicle-side electromagnetic induction coil 120 and the vehicle-side self-resonant coil 110, and a shaft portion 105 that connects the support member 104 and the floor panel 11.
  • the resin case 102 is formed from an insulating resin member.
  • the resin case 102 includes an upper wall portion 106 attached to the lower surface of the floor panel 11 and a peripheral wall portion 107 that hangs down from the peripheral edge portion of the upper wall portion 106.
  • a bulging portion 108 that extends along the inner peripheral surface of the center tunnel 12 and bulges upward is formed at the central portion of the upper wall portion 106.
  • the peripheral wall 107 has a groove 109 that is curved along the outer peripheral surface of the exhaust pipe 20 at the opening edge of the peripheral wall 107.
  • the exhaust pipe 20 is disposed below the vehicle side coil unit 101.
  • the shield material 103 is made of a metal material such as copper, and eddy current loss and hysteresis loss are reduced.
  • the shield material 103 includes an upper wall part 121 extending along the upper wall part 106 of the resin case 102 and a peripheral wall part 122 formed so as to hang down from the peripheral part of the upper wall part 121.
  • the upper wall portion 121 includes a bulging portion 123 that extends along the inner peripheral surface of the bulging portion 108.
  • the support member 104 is made of, for example, an insulating resin material, and integrally holds the vehicle side self-resonant coil 110 and the vehicle side electromagnetic induction coil 120. The support member 104 is fixed to the floor panel 11 by the shaft portion 105.
  • the vehicle-side capacitor 111 is disposed between the side members 10A and 10B that protrude downward from the floor panel 11.
  • FIG. 10 is a diagram schematically showing the intensity distribution of the magnetic field when electric power is being transferred between the vehicle side coil unit 101 and the equipment side coil unit 201.
  • the region R1 has the highest magnetic field strength, and the magnetic field strength decreases from the region R1 to the region R2, the region R3, the region R4, and the region R5.
  • FIG. 11 it can be seen that the strongest magnetic field is generated around the vehicle-side capacitor 111 and the equipment-side capacitor 250.
  • vehicle-side capacitor 111 is arranged between side members 10A and 10B, as shown in FIG.
  • the electromagnetic field is prevented from leaking around the electric vehicle 100.
  • the vehicle-side capacitor 111 is provided between a center line O that extends in the front-rear direction of the electric vehicle 100 through the center in the width direction of the electric vehicle 100 and the side surface of the electric vehicle 100.
  • the vehicle-side capacitor 111 is disposed at a position closer to the center line O than the side surface of the electric vehicle 100. For this reason, it is possible to suppress the leakage of the high-intensity magnetic field generated around the vehicle-side capacitor 111 around the electric vehicle 100.
  • the vehicle-side capacitor 111 is arranged below the floor panel 11 and around the opening of the center tunnel 12.
  • the portion radiated upward of the side member 10 ⁇ / b> A is directed toward the equipment side coil unit 201 by the shield member 103 provided on the inner peripheral surface of the center tunnel 12. It is reflected or absorbed by the shield material 103. Thereby, it is suppressed that a strong magnetic field leaks around the electric vehicle 100.
  • the vehicle-side capacitor 111 may be disposed in the center tunnel 12 as indicated by a broken line in FIG. Even when the vehicle-side capacitor 111 is disposed in the center tunnel 12, the portion of the magnetic field formed around the vehicle-side capacitor 111 that radiates upward from the side members 10 ⁇ / b> A and 10 ⁇ / b> B The light is reflected toward the equipment side coil unit 201 by the shield material 103 provided on the inner peripheral surface or absorbed by the shield material 103. Thereby, it is suppressed that a strong magnetic field leaks around the electric vehicle 100.
  • a magnetic field and an electromagnetic field are formed around the vehicle-side self-resonant coil 110, the vehicle-side capacitor 111, and the vehicle-side electromagnetic induction coil 120, and the vehicle-side self-resonant coil 110 out of the magnetic field and the electromagnetic field.
  • the portion radiated upward is absorbed by the shield material 103 or reflected toward the equipment-side coil unit 201. Thereby, the electromagnetic field and the magnetic field are prevented from entering the electric vehicle 100.
  • the shielding material 23 is disposed in a portion of the exhaust pipe 20 located below the vehicle-side coil unit 101, the power transmission efficiency between the vehicle-side coil unit 101 and the facility-side coil unit 201 is increased. And suppression of the reduction of power transmission efficiency is aimed at.
  • FIG. 11 is a perspective view showing the vehicle-side self-resonant coil 110, the vehicle-side electromagnetic induction coil 120, and the vehicle-side capacitor 111.
  • the vehicle-side self-resonant coil 110 includes an arc portion 131 provided so as to be arranged in a horizontal direction with the exhaust pipe 20, an arc portion 132 disposed on the opposite side of the arc portion 131 with respect to the exhaust pipe 20, and an arc portion A connection portion 133 that connects one end of 131 and one end of the arc portion 132 and a connection portion 134 that connects the other end of the arc portion 131 and the other end of the arc portion 132 are included.
  • the connection part 133 and the connection part 134 pass between the floor panel 11 and the exhaust pipe 20, and are arranged at a distance from the exhaust pipe 20 and the floor panel 11.
  • the vehicle-side capacitor 111 is connected between the end of the connecting portion 133 and the end of the arc portion 131.
  • the vehicle-side electromagnetic induction coil 120 is a planar coil and is disposed on the outer periphery of the vehicle-side self-resonant coil 110. Vehicle-side electromagnetic induction coil 120 and vehicle-side self-resonant coil 110 are arranged so as to be arranged in a plane. Thereby, thickness reduction of the vehicle side coil unit 101 is achieved.
  • the vehicle-side electromagnetic induction coil 120 includes an arc portion 142 provided so as to be arranged in the plane direction with the arc portion 132 and the exhaust pipe 20, and an arc provided so as to be arranged in the plane direction with the arc portion 131 and the exhaust pipe 20.
  • Connection terminals 146 and 147 are examples of connection terminals 146 and 147.
  • connection part 143 and the connection part 144 are formed so as to pass between the center tunnel 12 and the exhaust pipe 20 of the floor panel 11, similarly to the connection part 133 and the connection part 134.
  • connection parts 143 and 144 are formed so that it may pass over the exhaust pipe 20, and the circular arc parts 141 and 142 are formed so as to be arranged in a plane with the exhaust pipe 20, the vehicle-side electromagnetic induction coil It is suppressed that 120 protrudes from the bottom face of the electric vehicle 100.
  • FIG. 1 the vehicle-side electromagnetic induction coil It is suppressed that 120 protrudes from the bottom face of the electric vehicle 100.
  • connection portion 133 and the connection portion 143 are opposed to each other, the connection portion 134 and the connection portion 144 are opposed to each other, and the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 are coupled by electromagnetic induction. Reduction is suppressed.
  • vehicle-side electromagnetic induction coil 120 is disposed on the outer periphery of the vehicle-side self-resonant coil 110, the vehicle-side electromagnetic induction coil 120 and the rectifier 130 shown in FIG. 1 can be easily connected.
  • the vehicle-side self-resonant coil 110 is disposed at a distance from the floor panel 11, and the occurrence of discharge between the vehicle-side self-resonant coil 110 and the floor panel 11 is suppressed.
  • the vehicle-side electromagnetic induction coil 120 is also arranged at a distance from the floor panel 11, and the occurrence of discharge between the vehicle-side electromagnetic induction coil 120 and the floor panel 11 is suppressed.
  • the distance L1 between the connecting portion 134 (133) and the exhaust pipe 20 in the vertical direction is larger than the distance L2 between the connecting portion 134 and the center tunnel 12 in the vertical direction.
  • the distance in the vertical direction between the connecting portion 144 and the exhaust pipe 20 is larger than the distance in the vertical direction between the connecting portion 144 and the center tunnel 12, and an insulation distance between the exhaust pipe 20 and the connecting portion 144 is ensured. Has been.
  • the exhaust pipe 20 is fixed by a support portion 21, and is fixed by a support member 104 and a shaft portion 105 that fix the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120.
  • the member that fixes the exhaust pipe 20 and the member that fixes the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 are provided separately, the exhaust pipe 20 vibrates due to vibration from the engine. However, it is suppressed that the vibration of the exhaust pipe 20 is transmitted to the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120.
  • the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 are prevented from greatly vibrating, and the insulation distance between the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 and the floor panel 11 is suppressed. Can be secured.
  • the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 are suppressed from greatly vibrating, so that the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 are connected to the exhaust pipe 20. Insulation distance is also secured.
  • FIG. 12 is a perspective view showing the equipment side coil unit 201.
  • the facility-side coil unit 201 includes a resin case 251, a shield material 252 provided on the inner peripheral surface and the bottom surface of the resin case 251, and an facility-side electromagnetic housed in the resin case 251.
  • the equipment-side capacitor 250 is provided so as to be positioned between the side member 10A and the side member 10B of the electric vehicle 100.
  • the strong magnetic field formed around the equipment-side capacitor 250 is prevented from leaking out around the electric vehicle 100 by the side members 10A and 10B.
  • the equipment side capacitor 250 is disposed below the vehicle side capacitor 111.
  • FIG. 13 is a perspective view showing the facility-side electromagnetic induction coil 230, the facility-side self-resonant coil 240, and the facility-side capacitor 250.
  • the facility-side self-resonant coil 240 and the facility-side electromagnetic induction coil 230 are flat coils, and the facility-side electromagnetic induction coil 230 and the facility-side self-resonant coil 240 are in the plane direction. It is provided to arrange. Thereby, thickness reduction of the equipment side coil unit 201 is achieved.
  • the facility-side electromagnetic induction coil 230 is disposed on the outer peripheral side of the facility-side self-resonant coil 240 and is easy to connect wiring to the terminal portions 231 and 232 provided on the facility-side electromagnetic induction coil 230.
  • the diameter of the vehicle-side self-resonant coil 110 and the diameter of the equipment-side self-resonant coil 240 substantially match. ing.
  • the length of the coil wire of the vehicle-side self-resonant coil 110 is the length of the coil wire of the equipment-side self-resonant coil 240. Longer than that.
  • the capacity of the facility-side capacitor 250 is larger than the capacity of the vehicle-side capacitor 111, and the resonance frequency of the LC resonator formed by the facility-side capacitor 250 and the facility-side capacitor 250, the vehicle-side self-resonant coil 110, and The resonance frequency of the LC resonator formed by the vehicle-side capacitor 111 substantially matches.
  • FIG. 14 is a cross-sectional view of vehicle-side coil unit 101 mounted on the electric vehicle according to the second embodiment
  • FIG. 15 is a vehicle-side self-resonant coil provided in vehicle-side coil unit 101 shown in FIG. 1 is a perspective view showing 110 and a vehicle-side electromagnetic induction coil 120.
  • FIG. 14 is a cross-sectional view of vehicle-side coil unit 101 mounted on the electric vehicle according to the second embodiment
  • FIG. 15 is a vehicle-side self-resonant coil provided in vehicle-side coil unit 101 shown in FIG. 1 is a perspective view showing 110 and a vehicle-side electromagnetic induction coil 120.
  • the same or corresponding components as those shown in FIGS. 1 to 13 may be denoted by the same reference numerals and description thereof may be omitted.
  • the vehicle-side capacitor 111 is disposed between the side members 10A and 10B as in the first embodiment.
  • the vehicle-side self-resonant coil 110 is arranged on the opposite side of the arc portion 131 with respect to the exhaust pipe 20 and the arc portion 131 arranged so as to be arranged in the horizontal direction with the exhaust pipe 20.
  • the connection portion 135 provided to connect one end of the arc portion 131 and one end of the arc portion 132, and the other end of the arc portion 131 and the other end of the arc portion 132.
  • Connected portion 136 The connection part 135 and the connection part 136 pass below the exhaust pipe 20 and connect the arc part 131 and the arc part 132.
  • the vehicle-side electromagnetic induction coil 120 includes an arc portion 141 arranged so as to be arranged in the horizontal direction with the exhaust pipe 20, an arc portion 142 provided on the opposite side of the arc portion 141 with respect to the exhaust pipe 20, and an arc portion 141 includes a connecting portion 148 that connects one end of 141 and one end of arc portion 142, and a connecting portion 149 that connects the other end of arc portion 141 and the other end of arc portion 142. Both the connecting portion 148 and the connecting portion 149 pass below the exhaust pipe 20 and connect the arc portion 141 and the arc portion 142.
  • connection part 148 and the connection part 135 face each other and the connection part 136 and the connection part 149 face each other, a decrease in power reception efficiency between the vehicle-side self-resonant coil 110 and the vehicle-side electromagnetic induction coil 120 is suppressed.
  • the distance L3 in the vertical direction between the exhaust pipe 20 and the connection portion 135 is larger than the distance L4 in the vertical direction between the center tunnel 12 and the exhaust pipe 20.
  • the vehicle-side self-resonant coil 110 is a planar coil, and the number of turns of the vehicle-side self-resonant coil 110 is 1 or less. It is not limited to this.
  • the vehicle-side electromagnetic induction coil 120 is also a flat coil having a number of turns of 1 or less in the first and second embodiments, but is not limited to this, and the number of turns is not limited to this. Two or more windings may be used.
  • the present invention can be applied to vehicles and external power feeding devices.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Current-Collector Devices For Electrically Propelled Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

Un véhicule électrique de la présente invention est un véhicule pourvu d'une unité de bobine (101) qui peut recevoir de l'énergie en provenance d'une bobine auto-résonante (240) côté infrastructure installée à l'extérieur du véhicule. Le véhicule électrique est pourvu : d'une paire d'éléments latéraux (10A, 10B) qui sont formés de manière à être agencés dans le sens de la largeur du véhicule électrique, et qui s'étendent dans la direction avant-arrière du véhicule ; d'une bobine auto-résonante (110) côté véhicule qui est couplée par résonance à la bobine auto-résonante (240) côté infrastructure par le biais d'un champ électromagnétique, et grâce à laquelle la transmission d'énergie et/ou la réception d'énergie sont possibles; et d'un condensateur (111) côté véhicule qui est disposé sur la bobine auto-résonante (110) côté véhicule, et disposé entre les deux éléments latéraux (10A, 10B).
PCT/JP2011/052368 2011-02-04 2011-02-04 Véhicule et appareil d'alimentation externe WO2012105040A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2012555662A JP5776703B2 (ja) 2011-02-04 2011-02-04 車両および外部給電装置
PCT/JP2011/052368 WO2012105040A1 (fr) 2011-02-04 2011-02-04 Véhicule et appareil d'alimentation externe
US13/979,259 US9296349B2 (en) 2011-02-04 2011-02-04 Vehicle and external power feeding apparatus
EP11857486.2A EP2671749B1 (fr) 2011-02-04 2011-02-04 Véhicule et appareil d'alimentation externe
CN201180066812.0A CN103347730B (zh) 2011-02-04 2011-02-04 车辆及外部供电装置

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PCT/JP2011/052368 WO2012105040A1 (fr) 2011-02-04 2011-02-04 Véhicule et appareil d'alimentation externe

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EP (1) EP2671749B1 (fr)
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Cited By (16)

* Cited by examiner, † Cited by third party
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JP2013146148A (ja) * 2012-01-16 2013-07-25 Toyota Motor Corp 車両
JP2013240263A (ja) * 2012-04-17 2013-11-28 Nitto Denko Corp 磁界空間の形成方法
WO2014167978A1 (fr) * 2013-04-12 2014-10-16 日産自動車株式会社 Dispositif d'alimentation électrique sans contact
WO2014167977A1 (fr) * 2013-04-12 2014-10-16 日産自動車株式会社 Dispositif d'alimentation électrique sans contact
WO2014167976A1 (fr) * 2013-04-12 2014-10-16 日産自動車株式会社 Dispositif d'alimentation électrique sans contact
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KR101774727B1 (ko) 2014-04-08 2017-09-04 닛산 지도우샤 가부시키가이샤 비접촉 급전 시스템 및 비접촉 수전 장치
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WO2015162725A1 (fr) * 2014-04-23 2015-10-29 日産自動車株式会社 Structure de montage sur véhicule pour dispositif de réception d'énergie sans contact
KR101857407B1 (ko) * 2018-01-30 2018-06-20 (주)에프티글로벌 차량 위치파악이 가능한 자동경로차량용 무선전력전송 시스템 및 자동경로차량 위치파악방법
JP2019151153A (ja) * 2018-03-01 2019-09-12 アイシン軽金属株式会社 車載物の保護構造
JP7048354B2 (ja) 2018-03-01 2022-04-05 アイシン軽金属株式会社 車載物の保護構造

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JP5776703B2 (ja) 2015-09-09
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US9296349B2 (en) 2016-03-29
CN103347730B (zh) 2016-01-20

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